This undated photo released Wednesday, Sept. 28, 2011 by the U.S. Department of Justice shows a large remote controlled aircraft similar to what the department says suspect Rezwan Ferdaus plotted to fill with C-4 plastic explosives to use in an attack of the Pentagon and U.S. Capital. Ferdaus of Ashland, Mass., was arrested in a federal sting operation Wednesday, Sept. 28, 2011 in Framingham, Mass. (AP Photo/U.S. Department of Justice)
Read the article: Could Model Airplanes Become a Terrorist Weapon?